Dr. DeSilva is a Certified Consultant of the A.K. Rice Institute for the Study of Social Systems. They have served in every conference role and have directed two conferences, one on Latino/x/e? identities and the other on Queering Leadership and Exploring Gender Expansiveness in Organizational Life. Ale enjoys large groups and the organizational event (OE) most of all and is absolutely taken with the use of group relations technologies to affect social change. Their next conference in Spring 2026, sponsored by Grex, will explore the theme, Large Groups for Social Change? Exploring Novel Applications of Large Group Work. Other group relations credits include leading the large group at the American Group Psychotherapy Association for over 200 attendees two years in a row. Conference directors under whom Ale has served as staff include: mak wemuk, Danielle Kennedy, Patrick Jean-Pierre, Yaro Fong-Olivares, and Jaime Romo. They serve as Secretary on the Board of Directors of the A. K. Rice Institute for the Study of Social Systems and currently hold the Affiliate Representative seat on the AKRI Board for WBC. Dr. DeSilva teaches full time as Assistant Professor of Clinical Psychology, Director of Clinical Training and Deputy Program Director at the George Washington University Doctor of Psychology program. They were recently elected by their colleagues in APA Division 49 (Group Psychology) to the American Psychological Association Council of Representatives. They were also elected to serve as Member at Large on the APA Division 44 (LGBTQ+ Psychology) Board of Directors for a term beginning January 1, 2026. Their demonstration video, “Basics of Group Therapy” was published in the APA Video Series in June 2024.

Dr. DeSilva has applied group relations and systems psychodynamic work in consultation projects with organizations including the Virginia Coalition for Immigrant Rights (VACIR), the District of Columbia Office of the Attorney General (DC OAG), GWU Hospital Department of Oncology, the American Group Psychotherapy Association (AGPA), and the Bill & Melinda Gates Foundation [in the BMGF engagement, Dr. DeSilva was a member of a consulting team with Therapist Beyond Borders (Kavita Avula, PsyD, CGP, AGPA-F, President)].

Diana is a Certified Consultant of the A.K. Rice Institute for the Study of Social Systems (AKRI). She began her work on staff of Group Relations Conferences (GRC) in the Tavistock Tradition in 2012 at Northwestern University and has served as a staff member of a conference every year since. As a result, Diana has held every major role in a GRC and has worked with most affiliate centers of AKRI. She has been privileged to work for and with the following directors: Dr. Solomon Cytrynbaum, Dr. Thomas Golebiewski, Dr. Vicki Seglin, Dr. Kat Harding, Dr. Jaime Romo, mak wemuk, Dr. Patrick Jean-Pierre, Dr. Yaro Fong-Olivares, Dr.  Flora Taylor, Dr. Candice A. Crawford-Zakian, Dr.  René Molenkamp, and Barney Straus. Diana also co-directed a conference with TCSP founder Joshua “Ale” DeSilva. Upcoming conference participation includes being on staff for the first GRC in Ensenada, Mexico in summer 2025, being on staff for the fall WBC conference, and being on Dr. DeSilva’s Spring 2026 conference staff. Diana is a licensed psychotherapist in Illinois, Iowa, and Ohio, specializing in trauma, including racial and systemic trauma, and spent over a decade in the community mental health field serving low-income families on the west side of Chicago. Diana is a member of The Washington- Baltimore Center for the Study of Group Relations (WBC) and a clinical consultant for the fellowship program at the Chicago Center for Psychoanalysis and Psychotherapy. She has also been a large group consultant for the American Group Psychotherapy Association’s yearly conference for the past three years.

Amber is the Director of Stouffer College House & a Pre-Major Advisor in the College of Arts and Sciences at the University of Pennsylvania. Amber’s group relations experience spans nine years, beginning during graduate school at the University of San Diego School of Leadership and Educational Sciences under the tutelage of Teri Monroe, Zachary Green, Rene Molenkamp, Michael Lindsay and more. Amber has held all major conference roles other than Conference Director and Conference Associate Director (which they will take on for GREX’ spring 2026 conference). Amber has served on staff for the following conference directors: Diane Forbes-Berthoud, Teri Monroe, mak wemuk, Patrick Jean-Pierre, Tyrome Smith, Evangeline Sarda, and most recently, Joshua “Ale” DeSilva. Other roles and certifications Amber holds include: Board of Directors & Conference Committee Co-Chair, Difficult Dialogues National Resource Center; Co-creator and former Podcast Co-host, Group Relations International; Member, Finance Committee & Former Board of Directors, AK Rice Institute for the Study of Social Systems; Member and Wells School Steering Committee Member, Washington-Baltimore Center; Restorative Practices Circle and Conference Facilitator; Intergroup Dialogue Trained Facilitator.

Bio and photo coming soon.